Harrow.



Patented Sept. l2, I899. H. M. BUBDICK. I

H A R R O W.

(Application filed Oct. 8, 1895.)

5 Sheets-Sheet l.

. (No Model.)

INVENTOR m z/QMM (W ATTORNEYS,

WITNESSES:

co, Pnurauwc" wAsHmsTcM u c Patented Sept. l2, I899.

- H. m. sun'mcx- H A R 8 0w.

(Application filed Oct. 8, 1895.)

5 Sheets-Sheet 2,

(No Model.)

4 INVENTOR /W/./MA

WITNESSES:

ATTORNEY8,

w: scams PETERS cu, PHOTO-LXTHO.. mar-(mama, 9.1:v

Nu 632,778. Patented Sept |2,|899. H. M. BUBDICK.

HARRUW.

(Application filed Oct. 8, 1895.) (No Mudel.)

5 Sheets-Sheet 3 ATTORNEYS, v

we mums rs'rzns co, wo'roumu. \VASMNQTON. a, c.

Patented Sept. l2, I899. H. M. BURDICK.

H A R B 0 W (Application filed Oct, 8, 1895.-

5 SheetsSheet 4.

(N0 M odel.)

' INVENTOR /iw% M4 WITNESSES:

ATTORNEYS m: scams PETERS co, wofam'ua, WASNINGTGN. a a

Patented Sept. I2, 1899. H. M. BURDICK.

H A R B 0W.

(Application filed Oct. 8, 1895 5 Sheets-Sheet 5,

(No Model.)

NVENTOR /zm wl/ ATTORNEYS WITNESSES: V /%%T/ NITED STATES PATENT OFFIC IIIRAM M. BURDIOK, OF SYRACUSE, NEIY YORK, ASSIGNOR TO THE SYRACUSE OI-IILLED PLOW COMPANY, OF SAME PLACE.

HARROW.

SPECIFICATION forming part of Letters Patent No. 632,77 8, dated September 12, 1899.

Application filed October 8, 1895. Serial No. 565,014. on) model.)

To all whom it may concern:

Be it known that I, IIIRAM M. BURDIOK, of

Syracuse, in the county of Onondaga, in the- State of New York, have invented new and useful Improvements in Ilarrows, of which the following, taken in connect-ion with the accompanying drawings, is a full, clear, and exact description.

My invention relates to improvements in disk-harrows, and has for its object the production of a device which is particularly applicable for the different kinds of work to which such implements are subjected; and, to this end, it consists, essentially, in the combination, construction, and arrangement of the component parts of a disk-harrow, as hereinafter fully described, and pointed out in the claims.

In describing this invention reference is had to the accompanying drawings, forming part of this specification, in which like letters indicate corresponding parts in all the views.

Figures 1 and 2 are respectively top plan and side elevation of my improved harrow, the outer ends of the disk-gangs being shown as broken away in Fig. 1. elevation, partly in section, of one of the diskgangs, its scrapers, and adjacent parts of the frame. Figs. 4 and 5 are vertical sections, taken, respectively, on lines 4 4 and 5 5, Fig. 1. Fig. 6, is a vertical section taken on line 6 6, Fig. 5. Fig. 7 is a detailed horizontal section taken on line 7 7, Fig. 5. Fig. 8 is an isometric view of one of the angle-pieces for securing together two of the frame-bars. Figs. 9 and 10 are respectively isometric views of one of the connectingpieces between the frame and the central portions of the diskgangs and an eccentric-journal in said connecting-piece. Figs. 11 and 12 are respectively isometric views of the upper end of one of the scrapers and the supporting-piece therefor; and Fig. 13 is a detail horizontal section taken on line 13 13, Fig. 3.

The frame of my improved harrow may be of any desirable form, size, and construction, and, as here illustrated, is composed of a longitudinal bar a and cross-bar a (Best seen in Fig. 1.) The front end of the bar a is suitably connected to a pole a and its rear end is provider] with an upwardlyprojecting Fig. 3 is a rear portion of the bar a is provided with stirrups A, and its opposite ends are formed with downwardly-extending arms a and suitable angle-pieces a Figs. 5 and 8, connect together the arms a? a and are provided with shoulders a for engaging the inner edges of the arms a I preferably use two disk-gangs, consisting of disks I), mounted on shafts b and separated by sleeves, (presently described,) and connect the frame thereto by suitable means, which is interposed between the points of union of the frame-bars a a and substantially the central portions of the disk-gangs and is of such construction as to permit upand-down movement of the opposite ends of said gangs. The inner ends of the disk-gangs are also connected to suitable mechanism which moves the same backwardly and forwardly, but does not restrain their up-anddown movement. The two disks on opposite sides of each of the points of union of the frame-bars a a are separated by fixed sleeves 5 provided with annular grooves b and annular bearing-faces or fixed rings b Sleeves b are loosely mounted on the sleeves and are provided with annular shoulders b arranged in the grooves 5 and annular grooves b encircling the bearing-faces or fixed rings b Suitable roller-bearing sections 19 are removably mounted in the grooves b and antifriction-rollers b Figs. 5 and 6, are interposed between the faces or fixed rings Z) and the bearing-sections b for receiving the end strain and facilitating revoluble movement of the sleeves 12 The sleeves b previously mentioned, pref-' erably consist of upper and lower sections secured together by bolts or other clamps 12 the upper sections having their top faces provided with upwardly-projecting ears Z), arranged one in advance of the other. A suitable connecting-piece 0, Figs. 5, (i, 7, and 9, is interposed between'each of the points of union of the frame-bars a a and the adjacent sleeve b and is provided with depending arms 0, pivoted to the ears I) by pivots 0 which extend at substantially right angles with the axis of the shaft 1) and permit up-and-down movement of the opposite ends of the corresponding disk-gang. Each connecting-piece c is pivoted to the arm a of the adjacent bar a and to the corresponding angle-piece (t by an upright pivot-bolt 0 which permits backand-forward movement of the inner end of the corresponding disk-gang. The frontends of the connecting-pieces c are provided with slots 0 through which the arms (0 are passed, and as the inner ends of the disk-gangs swing backwardly or forwardly, the connectingpie'ces c are free to swing on the bolts 0 until the ends of the slots 0 engage the opposite edges of the arms 06.

As it is sometimes advisable .to permit of a slight endwise movement of the disk-gangs,

each pivot c is passed through an eccentric 0 Figs. 5 and 10, arranged in a journal opening or aperture c in the corresponding connecting-piece c This eccentric is provided with shoulders c for engaging the opposite edges of the arm a of the adjacent bar a, and the pivot-bolt'c is passed through said arm a and the adjacent portion of the anglepiece 6L7 and is provided with a shoulder or Washer 0 engaged with the under face of the connecting-piece c. The pivot-bolts c,which permit back-and-forwa1'd movement of the inner ends of the disk-gangs, thus secure together the angle-pieces a', the adjacent ends of the frame-bars a,the eccentrics for varying the position of said pivot-bolts, and the connecting-pieces for supporting the disk-gangs.

The two inner disks of each gang are separated by fixed sleeves d, provided with annular grooves d, and said sleeves are encircled by sleeves d loose thereon and provided with annular shoulders d arranged in the grooves (1. Each of the sleeves (Z is formed with opposite sockets d and is embraced by a yoke (1 Figs. 4 and 5, provided with opposite pivot projections (1 arranged in the sockets 61 Each yoke d is provided with an arm (1 extending upwardly therefrom and formed with a forwardly-extending end (1 pivoted at its front extremity to the lower end of a suitable actuating-lever (1 The actuating-levers d are pivoted at (Z to brackets secured to the frame-bar a, and provided with racks (Z which are engaged by movable dogs 01 carried by the levers d A link c1 is arranged above each yoke (Z and a second link (Z projects upwardly from the former link. The adjacent ends of said links are pivoted together, the front end of the link (Z being pivoted to the arm (1 and the upper end of the link 61 pivoted to a bracket (Z depending from the frame-bar a at the rear of the corresponding actuating-lever. The actuating-levers thus move the inner ends of the terposed between the adjacent gangs may be 7 well cultivated, I preferably provide my harrow with a spring digging-tooth 6, having its front end suitably secured to a support 6, which is pivoted at e to a bracket 6 depending from the central portion of the frame-bar Q The rear end of the support e is provided with a projecting arm, to which a handpiece 6 is suitably secured. The handpiece (2 is arranged in an upright plane and is movable through an aperture e formed in a laterallyextending arm 6, secured to the frame-bar a. Suitable slots 6 extend outwardly from the aperture 6 and shoulders e e are provided upon the handpiece 6 and are movable through the slots e The handpiece 6 is also provided with upper shoulders c which normally rest upon the arm 6 when the tooth e is in operative position, as illustrated in Fig. 3, and are arranged out of alinement with the slots e When it is'desired to elevate the tooth e, the handpiece 6 is partially revolved until the shoulders e are alined with the slots (5 and is then elevated and again partially revolved until the shoulders e are out of alinement with the slots e fare suitable scrapers carried by longitudinally-movable bars f, provided with depending guides f movable lengthwise of fixed bars f The means for moving the bars f preferably consists of levers f pivoted atf t0 the bars f and pivoted to the upper ends of links f having their opposite ends pivoted to adjacent guides f Suitable springs g are interposed between shoulders fixed to the bars f and adjacent scraper-supporting pieces, presently described, and operate to normally retract the longitudinallymovable bars f and disengage the scrapers from the disks 1). Each of the scrapers f is provided at its upper end with a slot f for receiving the corresponding bar f and a groove or cut-out f for receiving a projecting shoulder f which is arranged above the barf and is formed upon a supporting-piece f suitably secured to said bar f by a bolt or other clamping means f The supportingpieces f are provided with slots or grooves f for receiving said bars f, and stop-faces f arranged beneaththe top faces of the bars f and adapted to normally engage the adjacent scrapers. Suitable spring-supporting pieces f are passed through the slots f f in the scrapers f and the supportingpieces f and are secured to the bars f by the bolts f, previously described, andthe opposite ends of said spring-supporting pieces are extended downwardly and considerably separated from the adjacent faces of said scrapers. Springs f are interposed between each of the scrapers and the downtnrned ends of the spring-supporting pieces f and force the scrapers with a yielding pressure against the disks b.

The operation of my improved harrow will be readily understood upon reference to the foregoing description and the accompanying drawings, and as it is obvious that the exact detail, construction, and arrangement of its component parts may be somewhat varied without departing from the spirit of my in vention, I do not herein specifically limit myself to such exact detail, construction, and arrangement.

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is

1. The combination of a supporting-frame, a disk-gang provided with a loosely-mounted sleeve, a yoke connected to the sleeve, an actuating-lever connected to the yoke for varying its position, and flexible connections between the frame and the yoke connected to the frame at the rear of the actuating-lever, substantially as and for the purpose de scribed.

2. The combination of a supporting-frame, a disk-gang provided with a loosely-mounted sleeve formed with opposite sockets, a yoke having pivot projections mounted in the sockets, an actuatingdever connected to the yoke for varying its position, and flexible connections between the frame and the yoke, connected to the frame at the rear of the lever, substantially as and for the purpose specified.

3. The combination of a supporting-frame, a disk-gang provided with a loosely-mounted sleeve, a movable actuating-lever, an arm connected to the sleeve and having a forwardly-extending end pivoted to the actuating-lever, and flexible connections between the frame and the arm connected to the frame at the rear of the actuating-lever, substantially as and for the purpose specified.

4. The combination of a supporting-frame, a disk-gang provided with a loosely-mounted sleeve, a movable actuating-lever, an arm connected to the sleeve and extending upwardly above the sleeve, said arm having a forwardly-extending end pivoted to the actuating-lever, a link arranged above the sleeve and having its front end pivoted to said arm, and a second link extending upwardly from the first link and having its upper end pivoted to the frame and its lower end flexibly connected to the rear end of the first link, substantially as and for the purpose set forth.

5. The combination of a supporting-frame, a disk-gang provided with a loosely-mounted sleeve formed with opposite sockets, a yoke having pivot projections mounted in the sockets, a pivoted actuating-lever, an arm fixed to the yoke and extending upwardly above the same, said arm having a forwardly-extending end pivoted to the actuating-lever, a link arranged above the yoke and having its front end pivoted to said arm, and a second link extending upwardly from the first link and having its upper end pivoted to the frame and its lower end flexibly connected to the rear end of the first link, substantially as and for the purpose set forth.

6. The combination of a disk-gang provided with a fixed sleeve on its shaft formed with an annular bearing-face or fixed ring, a sleeve loosely mounted on the former sleeve and provided with an annular bearing-face, and antifriction-rollers interposed between said bearing-faces, substantially as and for the purpose specified.

7. The combination of a disk-gang provided with a fixed sleeve 6 011 its shaft formed with an annular groove 19 and an annular bearingface or fixed ringb a sleeve b loosely mounted on the sleeve b and provided with an annular shoulder l)" arranged in the groove b and an annular groove b surrounding the face or fixed ring I)", a bearing-section arranged in the groove b and rollers 11 interposed between the bearing-face or fixed ring Z1 and the section 11 substantially as and for the purpose described.

8. In a bearing for disk-harrows and analogous devices, the combination of an axle, a sleeve, a second sleeve about the first sleeve, rings located about the first sleeve between said sleeves, and rollers located between said rings to receive the end strain, substantially as and for the purpose set forth.

0. The combination of a disk-gang provided with a loosely-mounted sleeve, a frame-bar, and a connecting-piece secured to the framebar by a substantially upright pivot and secured to the sleeve by a substantially horizontal pivot, said connecting-piece being provided with means for engaging the frame-bar and limiting its movement independently of the frame-bar, substantially as and for the purpose described.

10. The combination of a disk-gang provided with a loosely-mounted sleeve b formed with upwardly-projecting ears b arranged one in front of the other, a frame-bar, a connecting-piece c secured to the frame-bar by a substantially horizontal pivot 0 said connectingpiece being provided With downwardly-extending arms 0 arranged one in front of the other and with means for engaging the frame-bar and limiting its movement independently of the frame-bar, and pivots c for connecting the ears I) and the arms 0 extending substantially crosswise of the disk-gang, substantially as and for the purpose set forth.

11. The combination of a disk-gang provided with a revoluble sleeve, 2. frame-bar, a connecting-piece loosely connected to the sleeve and detachably secured to the framebar, and a cam carried by the frame-bar, for varying the position of the connecting-piece and thereby movingthe disk-gang endwise, substantially as and for the'purpose specified.

12. The combination of a disk-gang provided with a revoluble sleeve, a frame-bar, a connecting-piece 0, provided with a journalopening a, an eccentric a movable in the journal-opening c and having its pivotal pin 0 secured to said frame-bar, substantially as and for the purpose set forth.

13. The combination with a disk-gang provided with a revoluble sleeve,frame-bars a a havingftheir adjacent ends arranged at an angle with each other, an angle-piece (t secured to said frame-bars and provided with a shoulder a for engaging the frame-bar a, a connecting-piece 0 provided with a j ournalopening 0 and a slot 0 for receiving the frame-bar ct, an eccentric 0 arranged in the opening (2 and provided with shoulders c for engaging the frame-bars a and a pivotal pin 0 passed through the frame-bar at, anglepiece a", and eccentric c and provided with a shoulder c engaged with the under face of the connecting-piece, substantially as and for the purpose described.

14. The combination of a disk-gang, a fixed frame-bar, a series of scrapers for engaging the respective disks, a bar guided lengthwise of the fixed frame-bar for supporting the scrapers, and a spring for returning the latter bar to its normal position, substantially as and for the purpose specified.

15. The combination of a disk-gang, a fixed frame-bar, a series of scrapers for engaging the respective disks, a longitudinally-movable bar provided with depending guides movable lengthwise of the fixed frame-bar, an actuating-lever pivoted to the fixed frame-bar, and a link having one end hinged to the lever and its opposite end hinged to one of said guides, substantially as and for the purpose set forth.

16. The combination of a disk-gang, a lonranged respectively above and below the top face of said bar, a spring-supporting piece f having one end passed through the slot or groove j and its opposite end separated from said stop-face, a scraper f interposed between the face f and the adjacent end of the spring-s11 pporting piece f and provided with an eye f and a groove f for. respectively receivin g the bar f and the projecting shoulder f", and a spring f interposed between the spring-supporting piecef and the scraper f, substantiallyas and for the purpose described.

17. The combination of a frame provided with an aperture and slots projecting therefrom, opposite disk-gangs, a tooth interposed between the adjacent end disks, a tooth-support hinged to the frame and secured to the tooth, and a handpiece secured to the toothsupport and movable longitudinally in the aperture and provided with projecting shoulders movable into and out of registration with said slots, substantially as and for the pur-' HIRAM M. BURDIOK.

WVitnesses:

W. S. SANFORD, M. J. LEE. 

